#dices
{
  width: 100%;
  text-align: center;
}

#dice_img
{
  width: 50px;
}

#container
{
  width: 100%;
  text-align: center;  
}

#play_btn
{
  padding: 20px;
  text-decoration: none;
  color : #000000;
  border : solid 1px #000000;
}
canvas
{
  margin: 10px;
}